Error in creating /proc file

From: sounak chakraborty
Date: Mon Mar 14 2005 - 10:32:53 EST

dear sir,
i am actually trying to create a thread directory in
which files will be created by the name of the thread
which will contain the basic information about the
(similar to process concept of kernel)
but i want to the detail steps about how the kernel
implements its process information inside
the proc file so that i can do it similar kind in case
of creating for the threads.

the first basic problem is the
according to me the
1.the actual processes are creting in the do_fork
function and from there the
information is passed to the fs/proc in the
functions present in the generic and base.c
am i currect or the fs/proc is collecting the data
from the current

but in this case i was applying a shortcuts as i was
waiting for any proc file in the kernel to be written
during startup and the setting a global variable in
fs/proc/base.c after that in the
do_fork the function waits for the global variable
to be turned on and after that calls anather function
which creates proc files through the use of

but during startup the following errors are coming
Oops: 0000[#1]
Modules link in:
CPU: 0
EIP: 0060:[<c011d99c>] Not tainted
EFLAGS: 00010202 (2.6.8)
EIP is at register_proc_table+0xdc/0x130

eax:00000000 ebx:c0321d40 ecx:10000006
esi:00000000 edi:00000000 ebp:00000006
ds: 007b es: 007b ss:0068

Process Swapper(pid :1,threadinfo =c7e94000
Stack: c03635e4 c03635e4 c03635e4 0000416d
00100410 00000000 00000000
c03a8ee8 c0321d40 00000000 c039e8ac
c0100445 0000007b ffffffff
c01040e0 c01040e5 00000000 00000000

Call Trace :
[<c0100410>] init+0x0/0x158
[<c03a8338>] sysctl_init+0x18/0x20
[<c039e8aa>] do_basic_setup+0xa/0x20
[<c0100445>] init+0x35/0x158
[<c01040e0>] kernel_thread_helper+0x0/0x10
[<c01040e5>] kernel_thread_helper+0x5/0x10

Code: 8b 78 34 85 ff 74 b7 8d b6
00 00 00 00 8d bc 27 00 00
00 00
<0> Kernel panic : Attempted to kill init!


2.if i am in a wrong way i could do the implementation
in the following manner in which the
kernel implements the proc system of its process
but i am really confused about that one .i need some
kind of help in that case
is it necessary to do all the details implementation
like inode creating which are all being done
in the generic and base.c or i can simply bypass
them with create_proc_entry

what should i do

suggest me some architecture to implement the thread
proc system

i can a way out
and i cant able to understand where i am wrong
thanks in advance

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